Fig. 1. The clinical images of patient 4, with implant-supported single crowns in regions 26 and 27. No signs of a peri-implant infection, mucositis, peri-implantitis, or marginal bone loss were detected. a Occlusal view. b Left-side view. c Orthopantogram. d Close-up radiographic view
Fig. 1. The clinical images of patient 4, with implant-supported single crowns in regions 26 and 27. No sign...
Lorenz, J., Blume, M., Korzinskas, T. et al. Short implants in the posterior maxilla to avoid sinus augmentation procedure: 5-year results from a retrospective cohort study.
Int J Implant Dent 5, 3 (2019). https://doi.org/10.1186/s40729-018-0155-1
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Received: 19 September 2018
Accepted: 20 December 2018
Published: 22 January 2019
DOI: https://doi.org/10.11...
Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were m...
The study was approved by the ethics commission of the medical department of Goethe University in Frankfurt am Main, Germany (79/18). All participating patients gave informed written consent to participate in the retrospective study and for publication of the obtained data.
All participating patients gave informed written consent to participate in the retrospective study and for publication of th...
Correspondence to
Jonas Lorenz.
FORM-Lab, Department for Oral, Cranio-Maxillofacial, and Facial Plastic Surgery, Medical Center of the Goethe University Frankfurt, Frankfurt am Main, Germany
Jonas Lorenz, Shahram Ghanaati & Robert A. Sader
Private Dental Practice, Mainz, Germany
Maximilian Blume
Private Practice, Bokštų 9, LT-92125, Klaipeda, Lithuania
Tadas Korzinskas
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This study was supported by a grant from the Camlog Foundation.
The datasets used and analyzed during the current study are available from the corresponding author on reasonable request.
Lorenz J, Lerner H, Sader R, Ghanaati S. Investigation of peri-implant tissue conditions and peri-implant tissue stability in implants placed with simultaneous augmentation procedure: a 3-year retrospective follow-up analysis of a newly developed bone level implant system. Int J of Impl Dent. 2017;5(1):41.
Del Fabbro M, Rosano G, Taschieri S. Implant survival rates after maxillary sinus augmentat...
Lorenz J, Barbeck M, Kirkpatrick CJ, Sader R, Lerner H, Ghanaati S. Injectable bone substitute material on the basis of β-TCP and hyaluronan achieves complete bone regeneration while undergoing nearly complete degradation. Int J Oral Maxillofac Implants. 2018;33(3):636–44.
Lorenz J, Kubesch A, Korzinskas T, Barbeck M, Landes C, Sader R, Kirkpatrick CJ, Ghanaati S. TRAP-positive multinucleated ...
Absent
Present
Bleeding on probing
Disto-buccal
Disto-oral
Female
Fixed prosthetics
Male
Mesio-buccal
Marginal bone loss
Mesio-oral
Probing pocket depth
Removable prosthetics
The present retrospective study analyzed the clinical and radiological performance of dental implants of 7-mm length in the posterior maxilla used to avoid sinus augmentation procedures. After a mean period of loading of 5 years, a survival rate of 100% and an absence of peri-implant infections were detected, which leads to the conclusion that “short implants” are a reliable treatment option...
In a systematic review, Lemos et al. compared short implants with a length of 8 mm or less to standard implants (larger than 8 mm) placed in posterior regions of the maxilla and mandible. The authors reviewed 13 studies with a total of 1269 patients who had received a total of 2631 dental implants. Short implants showed marginal bone loss, prosthetic failures, and complication rates similar to...
In the present retrospective study, dental implants of reduced length (7 mm) that were placed in the posterior maxilla to avoid sinus augmentation procedure were clinically and radiologically followed up after a mean loading period of 5 years. The clinical and radiological results demonstrate successful midterm results regarding implant survival and peri-implant hard and soft tissue health. Lo...
To analyze peri-implant bone loss over the study period of 5 years, digitally recorded perpendicular single-tooth images recorded immediately after implant placement and at the follow-up investigation were compared.
A mean total peri-implant marginal bone loss of 0.5 mm, ranging from 0 to 1.5 mm, was shown. Sub-analysis indicated mesial peri-implant bone loss of 0.4 mm and distal peri-impl...
After patient screening was performed, 30 implants in the premolar and molar regions of the upper jaw in 14 patients met the inclusion criteria and were clinically and radiologically followed up according to the study protocol. The aim of the follow-up investigation was to analyze whether implants of 7-mm length are suitable for prosthetic rehabilitation in the atrophic maxilla to avoid a sinus au...
Implant being in situ and suitable for prosthetic rehabilitation
Buccal width and thickness of peri-implant keratinized gingiva
Probing depth (at 4 sites per implant)
BoP (per implant)
Peri-implant bone loss
Presence of peri-implant osteolysis
After a mean loading period of 5 years (range 2–7 years), the implants were clinically and radiologically analyzed to determine the overall implant success, mean survival and suitability for prosthetic rehabilitation, peri-implant hard and soft tissue health, and patient acceptance. Furthermore, peri-implant hard and soft tissue indices, such as bleeding on probing (BoP), probing pocket dept...
In the present retrospective study, 14 patients (5 females and 9 males) with a mean age of 63 years (34–80 years) received Conelog® Screw-line implants (Camlog Biotechnologies, Basle, Suisse) with a length of 7 mm. In total, 30 implants were clinically and radiologically investigated after a mean loading period of 5 years (range 2–7 years).
All patients from the Department for Oral...
In the present retrospective study, implants of 7-mm length and a specific implant design, including a conical implant-abutment connection and platform switching, placed in the posterior maxilla were investigated by means of a clinical and radiological analysis after a mean loading period of 5 years. The aim of this study was to analyze whether a reduced implant length has any impact on implant s...
In the past few decades, technical developments of dental implants in combination with continuous development of surgical techniques and biomaterials have led to an expansion of the indications for implant-retained prosthetics. Prevention of atrophy after tooth extraction by socket or ridge preservation or reconstruction of the alveolar crest in cases of atrophy by augmentation with autologous bon...
Short implants present a promising approach for patients with advanced atrophy to avoid augmentative procedures. However, concerns about increased biological and technical complications due to an unfavorable implant-crown ratio are still present.
The aim of the present retrospective study was to evaluate whether a reduced implant length has any impact on implant success and peri-implant hard and ...